374 



COMPARATIVE AKATOMY 





E 



F 



Fig. 298. — Various Fokms of Uteri. A, B, C, I), diagrams showing the 

 different stages in the fusion of tire Miillerian ducts : A, uterus duplex ; B, 

 uterus bicornis ; C, uterus bipartitus ; U, uterus simplex ; E, female urino- 

 genital apparatus of M u»ti:lina, containing embrj'os (*, *) in the uterus ; F, 

 ditto of Hedgehog (Erinaceus). 



Od, Fallopian tube ; Ut, uterus ; Vij, vagina ; Ce, cervix uteri ; Ot, abdominal 

 aperture of Fallopian tube ; +, I", accessory glands ; r, rectum ; Sug, urino- 

 genital canal ; K, kidney ; Nn, adrenal ; Ur, ureter ; B, urinary bladder. 



always pass to the outer sides of the genital passage, the vagina 

 being single. 



The urinogenital canal may, as in Marsupials, be of a consider- 

 able length {e.g. amongst Rodents), and a fold of the mucous 



